Mathematics, 21.04.2021 18:30, Vishal123180
Select the letter of the correct answer
The sun burns 4.5 x 10 tons of hydrogen per second. An hour is 3.6 x 10 seconds. How much hydrogen does the
sun burn in 1 hour?
A 162 x 10
B1.62 x 1010
8.1 x 10
8.1 x 1010
Answers: 1
Mathematics, 21.06.2019 19:30, taylor511176
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Select the letter of the correct answer
The sun burns 4.5 x 10 tons of hydrogen per second. An hou...
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English, 27.07.2019 12:10
Mathematics, 27.07.2019 12:10
English, 27.07.2019 12:10